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Shoulder Washers

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Shoulder Washers, sometimes known as a Plastic Bush or Step Washer, are commonly used as a bushing to insulate fasteners or shafts within electronic equipment. For this reason, shoulder washers are made from non-conductive materials like Nylon. It is advised to avoid using shoulder bushings in humid environments.

Our extensive plastic shoulder washers range, includes Nylon Shoulder Washer Bushings made from Nylon 6/6 and manufactured to UL94 V2 flame resistance. The nylon sleeve washer range includes;

Screw Insulators (including Metric and Mini options). These are strong and have corrosion resistance - they also provide electrical insulation.

Nylon Shoulder Washers are resistant to many chemicals, as well as being corrosion resistant. They insulate and reduce vibration, and tend to act as a spacer or guide. We also have standard shouldered washer options designed to protect the head of metal screws from electrical contact.

Metric Locking and Sealing Washers are designed to created interference on both the outside diameter of a hex nut, and on the inside diameter of the screw.
Flanged Bushings are suitable for light-load bearings or bushing. They will not rust, corrode or deteriorate - making them highly economical. They act as an electrical insulator by preventing metal-to-metal contact. Low-friction coefficient and can be used as a locator, sleeve, liner or glide.

Our plastic shoulder washer offer also includes a High Temperature Screw Insulator made from UL94 V0 glass-filled Polyphenylene Sulfide (PPS), and black in appearance. It can withstand temperatures up to Temperature: up to 428F.

  • Colors: Natural and Black
  • UL94 V2 and UL94 V0.

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2,009 results
Product SKUs information
Item Code Price range Availability Flange Height Flange Outside Diameter Base Height Inside Diameter Compatible Screw Sizes (All) Base Outside Diameter View
10SCM008004 $0.0301 - $0.0458 49500 In stock
0.098 in
0.319 in
$0.0237 - $0.0263 76000 In stock
0.051 in
0.354 in
0.03 in
0.165 in
#8. M4
0.165 in
$0.043 - $0.053 408500 In stock
0.083 in
0.772 in
0.063 in
0.394 in
M10. 3/8
0.394 in
$0.0239 - $0.0267 4000 In stock
0.059 in
0.492 in
0.051 in
0.197 in
M6
0.248 in
$0.0233 - $0.0319 1000 In stock
0.050 in
0.505 in
0.050 in
0.370 in
0.410 in
$0.186 - $0.2551 Request the lead time here
0.039 in
0.787 in
0.071 in
0.315 in
5/16
0.390 in
$0.0705 - $0.0965 500 In stock
0.058 in
0.880 in
0.085 in
0.260 in
1/4
0.312 in
$0.0416 - $0.0485 Request the lead time here
0.039 in
0.522 in
0.071 in
0.165 in
6
0.364 in
12SWS1148 $0.0267 - $0.0366 Request the lead time here
0.060 in
0.470 in
0.440 in
0.219 in
0.344 in
$0.0275 - $0.0377 Request the lead time here
0.060 in
0.516 in
0.050 in
0.260 in
1/4
0.345 in
$0.0174 - $0.0238 Request the lead time here
0.031 in
0.375 in
0.100 in
0.260 in
1/4
0.312 in
$0.0378 - $0.0518 8000 In stock
0.063 in
0.550 in
0.469 in
0.247 in
0.380 in
$0.0507 - $0.0695 Request the lead time here
0.197 in
0.591 in
0.128 in
0.157 in
6
0.394 in
$0.0808 - $0.1108 Request the lead time here
0.261 in
0.839 in
0.349 in
0.388 in
0.475 in
$0.043 - $0.0591 Request the lead time here
0.070 in
0.598 in
0.126 in
0.372 in
0.477 in
$0.1776 - $0.2436 Request the lead time here
0.185 in
0.730 in
0.245 in
0.299 in
0.485 in
$0.0396 - $0.0544 1000 In stock
0.047 in
0.615 in
0.047 in
0.208 in
10
0.315 in
$0.0493 - $0.0677 8000 In stock
0.025 in
0.600 in
0.500 in
0.324 in
5/16
0.485 in
$0.0295 - $0.0405 18000 In stock
0.063 in
0.625 in
0.031 in
0.378 in
3/8
0.495 in
$0.0631 - $0.0865 1000 In stock
0.050 in
0.630 in
0.150 in
0.280 in
0.375 in
  • of 101
Natural Nylon 6/6 Insulation Washer Shoulder Washer - ; ; ;

10SCM008004

Price Range
$0.0458 - $0.0301

Stock Levels
49500 In stock
Attributes
  • Flange Height
    0.098 in
  • Inside Diameter
    0.319 in
  • Thickness
    0.256 in
  • Full Material
    Polyamide 6.6
  • Color
    Natural
Natural Nylon 6/6 Lock & Sealing Washer - ; Base Height 0.75 mm | 0.03 in; Base Outside Diameter 4.2 mm | 0.165 in; Compatible Screw Sizes #8M4

16MLSW040090125

Price Range
$0.0263 - $0.0237

Stock Levels
76000 In stock
Attributes
  • Base Height
    0.03 in
  • Base Outside Diameter
    0.165 in
  • Flange Height
    0.051 in
  • Flange Outside Diameter
    0.354 in
  • Inside Diameter
    0.165 in
Natural Nylon 6/6 Lock & Sealing Washer - ; Base Height 1.6 mm | 0.063 in; Base Outside Diameter 10.0 mm | 0.394 in; Compatible Screw Sizes M103/8

16MLSW100196210

Price Range
$0.053 - $0.043

Stock Levels
408500 In stock
Attributes
  • Base Height
    0.063 in
  • Base Outside Diameter
    0.394 in
  • Flange Height
    0.083 in
  • Flange Outside Diameter
    0.772 in
  • Inside Diameter
    0.394 in
Natural Nylon 6/6 Lock & Sealing Washer - Outside Diameter 6.3 mm | 0.248 in; Base Height 1.3 mm | 0.051 in; Base Outside Diameter 6.3 mm | 0.248 in; Compatible Screw Sizes M6

16MLSW060125150

Price Range
$0.0267 - $0.0239

Stock Levels
4000 In stock
Attributes
  • Base Height
    0.051 in
  • Base Outside Diameter
    0.248 in
  • Flange Height
    0.059 in
  • Flange Outside Diameter
    0.492 in
  • Inside Diameter
    0.197 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 12.8 mm | 0.505 in; Base Height 1.3 mm | 0.050 in; Base Outside Diameter 10.4 mm | 0.410 in;

12SWS1089

Price Range
$0.0319 - $0.0233

Stock Levels
1000 In stock
Attributes
  • Base Height
    0.050 in
  • Base Outside Diameter
    0.410 in
  • Flange Height
    0.050 in
  • Flange Outside Diameter
    0.505 in
  • Inside Diameter
    0.370 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 20 mm | 0.787 in; Base Height 1.8 mm | 0.071 in; Base Outside Diameter 9.9 mm | 0.390 in; Compatible Screw Sizes 5/16 in

12SWS1094

Price Range
$0.2551 - $0.186

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.071 in
  • Base Outside Diameter
    0.390 in
  • Flange Height
    0.039 in
  • Flange Outside Diameter
    0.787 in
  • Inside Diameter
    0.315 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 22.4 mm | 0.880 in; Base Height 2.2 mm | 0.085 in; Base Outside Diameter 7.9 mm | 0.312 in; Compatible Screw Sizes 1/4 in

12SWS1099

Price Range
$0.0965 - $0.0705

Stock Levels
500 In stock
Attributes
  • Base Height
    0.085 in
  • Base Outside Diameter
    0.312 in
  • Flange Height
    0.058 in
  • Flange Outside Diameter
    0.880 in
  • Inside Diameter
    0.260 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 13.3 mm | 0.522 in; Base Height 1.8 mm | 0.071 in; Base Outside Diameter 9.2 mm | 0.364 in; Compatible Screw Sizes 6

12SWS1104

Price Range
$0.0485 - $0.0416

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.071 in
  • Base Outside Diameter
    0.364 in
  • Flange Height
    0.039 in
  • Flange Outside Diameter
    0.522 in
  • Inside Diameter
    0.165 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 11.9 mm | 0.470 in; Base Height 11.2 mm | 0.440 in; Base Outside Diameter 8.7 mm | 0.344 in;

12SWS1148

Price Range
$0.0366 - $0.0267

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.440 in
  • Base Outside Diameter
    0.344 in
  • Flange Height
    0.060 in
  • Flange Outside Diameter
    0.470 in
  • Inside Diameter
    0.219 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 13.1 mm | 0.516 in; Base Height 1.3 mm | 0.050 in; Base Outside Diameter 8.8 mm | 0.345 in; Compatible Screw Sizes 1/4 in

12SWS1154

Price Range
$0.0377 - $0.0275

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.050 in
  • Base Outside Diameter
    0.345 in
  • Flange Height
    0.060 in
  • Flange Outside Diameter
    0.516 in
  • Inside Diameter
    0.260 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 9.5 mm | 0.375 in; Base Height 2.5 mm | 0.100 in; Base Outside Diameter 7.9 mm | 0.312 in; Compatible Screw Sizes 1/4 in

12SWS1158

Price Range
$0.0238 - $0.0174

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.100 in
  • Base Outside Diameter
    0.312 in
  • Flange Height
    0.031 in
  • Flange Outside Diameter
    0.375 in
  • Inside Diameter
    0.260 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 14 mm | 0.550 in; Base Height 11.9 mm | 0.468 in; Base Outside Diameter 9.7 mm | 0.380 in;

12SWS1163

Price Range
$0.0518 - $0.0378

Stock Levels
8000 In stock
Attributes
  • Base Height
    0.469 in
  • Base Outside Diameter
    0.380 in
  • Flange Height
    0.063 in
  • Flange Outside Diameter
    0.550 in
  • Inside Diameter
    0.247 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 15 mm | 0.591 in; Base Height 3.3 mm | 0.128 in; Base Outside Diameter 10 mm | 0.394 in; Compatible Screw Sizes 6

12SWS1167

Price Range
$0.0695 - $0.0507

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.128 in
  • Base Outside Diameter
    0.394 in
  • Flange Height
    0.197 in
  • Flange Outside Diameter
    0.591 in
  • Inside Diameter
    0.157 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 21.3 mm | 0.839 in; Base Height 8.9 mm | 0.349 in; Base Outside Diameter 12.1 mm | 0.475 in;

12SWS1173

Price Range
$0.1108 - $0.0808

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.349 in
  • Base Outside Diameter
    0.475 in
  • Flange Height
    0.261 in
  • Flange Outside Diameter
    0.839 in
  • Inside Diameter
    0.388 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 15.2 mm | 0.598 in; Base Height 3.2 mm | 0.126 in; Base Outside Diameter 12.1 mm | 0.477 in;

12SWS1178

Price Range
$0.0591 - $0.043

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.126 in
  • Base Outside Diameter
    0.477 in
  • Flange Height
    0.070 in
  • Flange Outside Diameter
    0.598 in
  • Inside Diameter
    0.372 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 18.5 mm | 0.730 in; Base Height 6.2 mm | 0.245 in; Base Outside Diameter 12.3 mm | 0.485 in;

12SWS1193

Price Range
$0.2436 - $0.1776

Stock Levels
Request the lead time here
Attributes
  • Base Height
    0.245 in
  • Base Outside Diameter
    0.485 in
  • Flange Height
    0.185 in
  • Flange Outside Diameter
    0.730 in
  • Inside Diameter
    0.299 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 15.6 mm | 0.615 in; Base Height 1.2 mm | 0.046 in; Base Outside Diameter 8 mm | 0.315 in; Compatible Screw Sizes 10

12SWS1200

Price Range
$0.0544 - $0.0396

Stock Levels
1000 In stock
Attributes
  • Base Height
    0.047 in
  • Base Outside Diameter
    0.315 in
  • Flange Height
    0.047 in
  • Flange Outside Diameter
    0.615 in
  • Inside Diameter
    0.208 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 15.2 mm | 0.598 in; Base Height 12.7 mm | 0.500 in; Base Outside Diameter 12.3 mm | 0.485 in; Compatible Screw Sizes 5/16 in

12SWS1204

Price Range
$0.0677 - $0.0493

Stock Levels
8000 In stock
Attributes
  • Base Height
    0.500 in
  • Base Outside Diameter
    0.485 in
  • Flange Height
    0.025 in
  • Flange Outside Diameter
    0.600 in
  • Inside Diameter
    0.324 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 15.9 mm | 0.625 in; Base Height 0.8 mm | 0.031 in; Base Outside Diameter 12.6 mm | 0.495 in; Compatible Screw Sizes 3/8

12SWS1210

Price Range
$0.0405 - $0.0295

Stock Levels
18000 In stock
Attributes
  • Base Height
    0.031 in
  • Base Outside Diameter
    0.495 in
  • Flange Height
    0.063 in
  • Flange Outside Diameter
    0.625 in
  • Inside Diameter
    0.378 in
Natural Nylon 6/6 Shoulder Washer Shoulder Washer - Outside Diameter 16 mm | 0.630 in; Base Height 3.8 mm | 0.15 in; Base Outside Diameter 9.5 mm | 0.375 in;

12SWS1214

Price Range
$0.0865 - $0.0631

Stock Levels
1000 In stock
Attributes
  • Base Height
    0.150 in
  • Base Outside Diameter
    0.375 in
  • Flange Height
    0.050 in
  • Flange Outside Diameter
    0.630 in
  • Inside Diameter
    0.280 in